/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/ConcertSyncSessionTypes.h
constexpr [EConcertSyncActivityFlags](API\Plugins\ConcertSyncCore\EConcertSyncActivityFlags) operator~ ( [EConcertSyncActivityFlags](API\Plugins\ConcertSyncCore\EConcertSyncActivityFlags) E )